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This article provides a quantitative synthesis of the published literature on word problem solving intervention studies for children with math disabilities (MD). Seven group and eight single-subject design studies met inclusion criteria. Mean effect sizes (ESs) for solution accuracy for group design studies were 0.95 (SE = .19) for children with MD-only and −0.45 (SE = .14) for children with MD and reading disabilities (MD + RD) when compared with their counterparts in the control condition. The mean ES for single-subject design studies was 0.90 (range = 0.09–2.99), with a mean ES of 1.45 for MD-only students and a mean ES of 0.58 for MD + RD students. Effective group and single-subject interventions shared a number of common instructional components (e.g., advance organizer, skill modeling). In general, the results suggest that specific sample characteristics (reading ability) and specific instruction components (sequencing, explicit practice, task reduction, advanced organizers, questioning, task difficulty control, elaboration, skill modeling, strategy cues) play a major role in treatment outcomes for children with MD. [ABSTRACT FROM PUBLISHER]

The purpose of this quasi-experimental study was to (a) compare Tier 2 evidence-based intensive reading instruction to business-as-usual instruction for sixth graders with and without learning disabilities who were "far below" or "below" basic level in literacy and (b) explore the development of a response-to-intervention model in middle school. The study took place in a large inner-city urban setting, where 100% of students received free or reduced-price lunch and 90% of the students were considered English learners at some point in their school history. Intervention students received intensive small-group instruction for 30 hours across 10 weeks. Credential candidates in special education provided the small-group instruction in the treatment condition. Results on oral reading fluency, less so for Maze reading comprehension measures, indicated greater improvements for treatment students, and students with learning disabilities benefited as much or more than the other struggling sixth graders. Educational implications and recommendations for future research are discussed. [ABSTRACT FROM AUTHOR]